Nispira TiO2 Replacement Filter Compatible with Aerus Electrolux Guardian and Blueair 400 series Air Purifier, 3 Packs

Nispira replacement filter compatible with Aerus Electrolux Guardian and Blueair 400 series Air Purifier HEPA filter removes up to 99.97 percent of airborne particles size as small as 0.3 microns. Filter removes smoke, odors from pets, cooking smells and VOCs chemical. Give you a peace of mind for fresh air. 3 filters will be included. Suggest replacing the filter after 6 - 8 months use to optimize the performance. Dimension: 4" x 10" x 21". This product meets or exceeds leading national brandcs' quality